Sensor Doors for Buildings – How Do They Work?

Picture this: You are at your local retail shop and you just got done with your shopping. Right after you paid your bill, the cashier handed you tons of shopping bags and you slowly start moving towards the exit. As soon as you approach that gorgeous glass door, nothing happens. Oh, wait!! Why didn’t the sensor door automatically open for you?

Well, this situation sounds pretty awkward. Doesn’t it? Over the last few years, sensor doors have become so common that today we can’t even imagine a world without them. From fancy shopping malls and cinemas to glam beauty salons, nearly every place has a sensor door these days to facilitate their customers. Automatic doors have not only provided hands-free entries to different places but also enhanced our security standards.

In this article, we are going to focus on the functioning and processing of different sensor doors and also shed a light on their types. Let’s get started!

How Do Sensor Doors Work?

Sensor doors rely on a sensor that detects when the door needs to open or close. The sensors send signals to the door functioning mechanism which is powered by electric motors. For example, if you stand near any automatic door, its sensor is going to detect your presence, and immediately send signals to open the door for you.

  1. Pressure Sensors

Pressure sensors were first launched in the 1960s. These sensors work by detecting any sort of changes in the pressure, or weight near the door. Usually, the sensor companies install them as pads or mats on the ground so that they can easily detect the visitors’ steps.

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2. Motion Detection and Optical Sensors

The motion detectors rely on PIR or microwave pulses to detect any movements near the automatic doors. It works by measuring the reflections of objects and temperature changes to detect any sort of body heat.

Usually, microwave sensor tech is pricier than infrared sensors, as it can cover comparatively larger areas. However, the only drawback is that these sensors come with a risk of electric interference.

3. Access Control or Video Intercom System

Interestingly, sensor doors can also detect when to function via different video intercom systems or access controls.

Instead of using sensor pressure or motion, these doors work by sending access control signals to the motor system. For instance, these signals can come from a smartphone, keycard, a fob, or other several devices that have been programmed/connected with the access control system.

These doors are ideal for commercial buildings or multifamily properties that need access for selected people only. Also, when these video intercom or access control system sensors are connected to the cloud, the family members and staff enjoy an additional benefit of property access remotely via web browsers. As a result, they don’t have to physically visit the building every time.

Types of Sensor Doors

  • Swinging doors: These types of doors are perfect to manage one-way traffic, as they open both ways for the customers – in and out.
  • Sliding doors: These are ideal to manage two-way traffic. For example, sensor sliding doors can be mounted or hung from overhead rollers and tracks.
  • Revolving doors: These doors have been specifically designed for crowded areas, as they have an extraordinary capability to manage simultaneous entry and exit.
  • Folding doors: These doors are ideal for places that have comparatively lesser space, as they can easily fold to create passageways for the visitors.

In a Nutshell

The selection of the right sensor door for your property relies on your everyday traffic, and the space available. Although the above-mentioned types of sensor doors are the most widely-used ones in the market, however, if you are looking for some other type for yourself, then you might want to conduct thorough research before you finally invest in one.

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